[PATCH 6/6] drm/omapdrm: Implement fbdev emulation as in-kernel client

[kernel test robot]

Hi Thomas,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on linus/master v6.3-rc4 next-20230330]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Thomas-Zimmermann/drm-omapdrm-Include-linux-of-h/20230330-163453
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20230330083205.12621-7-tzimmermann%40suse.de
patch subject: [PATCH 6/6] drm/omapdrm: Implement fbdev emulation as in-kernel client
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20230330/202303302056.9US55Dt4-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/5b54095ec3eaa71a5cc6b433dfbbf58e26c44e38
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Thomas-Zimmermann/drm-omapdrm-Include-linux-of-h/20230330-163453
        git checkout 5b54095ec3eaa71a5cc6b433dfbbf58e26c44e38
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/omapdrm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp at intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303302056.9US55Dt4-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/omapdrm/omap_fbdev.c:306:6: warning: no previous prototype for 'omap_fbdev_setup' [-Wmissing-prototypes]
     306 | void omap_fbdev_setup(struct drm_device *dev)
         |      ^~~~~~~~~~~~~~~~


vim +/omap_fbdev_setup +306 drivers/gpu/drm/omapdrm/omap_fbdev.c

   305	
 > 306	void omap_fbdev_setup(struct drm_device *dev)

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests